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Sony A mount

The A-mount was originally introduced by Minolta in 1985, the world first integrated autofocus system for an interchangeable camera. In 2005 a joint venture with Sony expanded the adoption of this mount, one year later Sony acquired the all the photo/imaging sector from Konica Minolta.

The A-mount supports both full frame and APS-C size sensor cameras.

In April 2019 Sony discontinued this mount focusing on the new E-mount. 

49.7 mm
44.5 mm
NameSensor formatSensor cropAF supportYear
Full Frame
Full frame1.00motor in camera, motor in lens1985
APS-C1.52motor in camera, motor in lens2005